Defense witnesses spent Monday talking about Mohamed Mohamud's life and offering their analysis of his role in the bomb plan that was to culminate with an explosion in Portland's Pioneer Courthouse Square. The bomb was a fake, and the conspirators were FBI undercover agents.

Prosecutors called an international terrorism expert to the stand Friday to testify against Mohamed Mohamud. The 21-year old defendant is on trial for a bomb plot developed in meetings with FBI undercover agents.

Defense witnesses spent Monday talking about Mohamed Mohamud's life and offering their analysis of his role in the bomb plan that was to culminate with an explosion in Portland's Pioneer Courthouse Square. The bomb was a fake, and the conspirators were FBI undercover agents.

Prosecutors called an international terrorism expert to the stand Friday to testify against Mohamed Mohamud. The 21-year old defendant is on trial for a bomb plot developed in meetings with FBI undercover agents.

One of the FBI agents who supervised investigations of Mohamed Mohamud testified Thursday. Ryan Dwyer discussed publications the defendant wrote for and texts he sent before being accused of trying to set off a bomb in Portland.